[ic] mod_interchange and Apache MaxClients

John1 list_subscriber at yahoo.co.uk
Wed Nov 16 11:04:55 EST 2005

On Wednesday, November 16, 2005 12:32 AM, list_subscriber at yahoo.co.uk wrote:

>> Last night I recompiled with MaxClients to 1024 and this morning I
>> ran into the problem again, also MaxClients was not reached this
>> time, however I was unable to reach the IC site.  At least in my
>> case I do not believe MaxClients to be the issue.
> I now agree - after some investigation I think that MaxClients issue
> is a symptom rather than the cause.  No doubt if you have increased
> MaxClients to 1024 you are now not hitting this limit, but are upi
> still seeing a high Apache client count??  I think that once the 
> Interchange daemon
> starts to have problems this must have a cascade effect on the Apache 
> processes
> being spawned
I believe that my site only actually ceases to respond once MaxClients is 
reached.  Even though MaxClients is no doubt not the underlying cause of the 
problem (but a symptom) what I would like to do is automatically restart 
apache and interchange when MaxClients is reached as this would keep website 
downtime to a minimum.

It occurs to me that a good way of doing this would be to pipe the Apache 
error log through a script which greps for "server reached MaxClients 
setting, consider raising the MaxClients setting".

As soon as the script sees the above error message being piped to it I would 
like it to restart the services without delay.

Is this possible?  I was wondering if anyone knows how to do this?  e.g. an 
example script.  If so, I would be very grateful as I am currently clueless 
on how to attempt this.  Thank you. 

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